Home / 223,167.30-307,972.17-127,678.02

Finding the Fourth Proportional to 223,167.30, 307,972.17 and 127,678.02

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Solution

The fourth proportional to 223,167.30, 307,972.17 and 127,678.02 is: 176,196.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,167.30 : 307,972.17 = 127,678.02 : x
  2. Step 2: Convert to fraction form
    223,167.30/307,972.17 = 127,678.02/x
  3. Step 3: Cross multiply
    223,167.30x = 307,972.17 × 127,678.02
  4. Step 4: Simplify right side
    223,167.30x = 39,321,276,880.70
  5. Step 5: Solve for x
    x = 39,321,276,880.70/223,167.30
  6. Step 6: Final answer
    x = 176,196.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.